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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 612 |
| 3 | 14561 |
| 4 | 52529 |
| 5 | 130646 |
| 6 | 290073 |
| 7 | 610493 |
| 8 | 1274531 |
| 9 | 2667156 |
| 10 | 5549073 |
| 11 | 11333101 |
| 12 | 22677459 |
| 13 | 44625082 |
| 14 | 86892393 |
| 15 | 168012940 |
| 16 | 322971613 |
| 17 | 616923324 |
| 18 | 1170830552 |
| 19 | 2208492442 |
| 20 | 4144258432 |
| 21 | 7742439594 |
| 22 | 14409433203 |
| 23 | 26720926188 |
| 24 | 49383541627 |
[2,612,14561,52529,130646,290073,610493,1274531, 2667156,5549073,11333101,22677459,44625082, 86892393,168012940,322971613,616923324,1170830552, 2208492442,4144258432,7742439594,14409433203, 26720926188,49383541627] |